Home / 20,391,360.24-30,587,119.20-8,261,052.96

Finding the Fourth Proportional to 20,391,360.24, 30,587,119.20 and 8,261,052.96

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Solution

The fourth proportional to 20,391,360.24, 30,587,119.20 and 8,261,052.96 is: 12,391,611.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,391,360.24 : 30,587,119.20 = 8,261,052.96 : x
  2. Step 2: Convert to fraction form
    20,391,360.24/30,587,119.20 = 8,261,052.96/x
  3. Step 3: Cross multiply
    20,391,360.24x = 30,587,119.20 × 8,261,052.96
  4. Step 4: Simplify right side
    20,391,360.24x = 252,681,811,605,032.81
  5. Step 5: Solve for x
    x = 252,681,811,605,032.81/20,391,360.24
  6. Step 6: Final answer
    x = 12,391,611.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.